B: Oh, you won't believe it. I got all the questions right at first, and then I decided to go back and make some changes. Guess what? I ended up getting five booboos. I'm kicking myself for that. 噢,你不会相信的。我起先全部答对了。后来决定跑回去改一下。你猜怎么样?结果我错了五题。我怪死自己了。